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Salix lanata
''Salix lanata'', the woolly willow, is a subarctic species of willow native to Iceland, the Faeroes, northern Scandinavia, Finland, through to eastern Siberia. In Scotland it can be found in only a few localities of Perthshire, Angus and Aberdeen, generally on rocky mountain sides at altitudes between .〔Willows and Poplars of Great Britain and Ireland, BSBI Handbook No. 4; Meikle; 1984.〕
==Description==
''Salix lanata'' is a low, many-branched, deciduous shrub, generally less than high by broad. The new twigs are hairy at first, soon becoming hairless and brown. The grey-green leaves are rather variable, but generally ovate up to long by up to wide, covered in silvery-grey "wool" to begin with but less so with age. The leaf margins are usually entire.
The catkins appear in summer (May to July), with male and female catkins on separate plants (like all willows this species is dioecious). The female catkins are densely hairy. The petioles are usually less than 1 cm long, and the stipules usually 1 cm long by 0.6 cm wide, and persistent.〔〔New Flora of the British Isles; Clive Stace; Third edition; 2011 printing.〕
The texture, colour and compact nature of this plant, together with its extreme hardiness, make it a valuable plant for cultivation. It has gained the Royal Horticultural Society's Award of Garden Merit.〔(【引用サイトリンク】url=http://apps.rhs.org.uk/plantselector/plant?plantid=1751 )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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